From: cgel.zte@gmail.com
To: akpm@linux-foundation.org
Cc: shuah@kernel.org, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
Changcheng Deng <deng.changcheng@zte.com.cn>,
Zeal Robot <zealci@zte.com.cn>
Subject: [PATCH] userfaultfd/selftests: use swap() to make code cleaner
Date: Thu, 28 Oct 2021 11:23:31 +0000 [thread overview]
Message-ID: <20211028112331.16152-1-deng.changcheng@zte.com.cn> (raw)
From: Changcheng Deng <deng.changcheng@zte.com.cn>
Use swap() in order to make code cleaner. Issue found by coccinelle.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
---
tools/testing/selftests/vm/userfaultfd.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index 8a09057d2f22..41dfe6f4ebfb 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -1413,7 +1413,6 @@ static void userfaultfd_pagemap_test(unsigned int test_pgsize)
static int userfaultfd_stress(void)
{
void *area;
- char *tmp_area;
unsigned long nr;
struct uffdio_register uffdio_register;
struct uffd_stats uffd_stats[nr_cpus];
@@ -1524,13 +1523,8 @@ static int userfaultfd_stress(void)
count_verify[nr], nr);
/* prepare next bounce */
- tmp_area = area_src;
- area_src = area_dst;
- area_dst = tmp_area;
-
- tmp_area = area_src_alias;
- area_src_alias = area_dst_alias;
- area_dst_alias = tmp_area;
+ swap(area_src, area_dst);
+ swap(area_src_alias, area_dst_alias);
uffd_stats_report(uffd_stats, nr_cpus);
}
--
2.25.1
next reply other threads:[~2021-10-28 11:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-28 11:23 cgel.zte [this message]
2021-10-28 13:13 ` Shuah Khan
2022-01-31 23:00 ` Mike Kravetz
2022-02-01 1:06 ` Mike Kravetz
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